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Diffstat (limited to 'arch/powerpc/platforms/cell/spufs/backing_ops.c')
-rw-r--r--arch/powerpc/platforms/cell/spufs/backing_ops.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/cell/spufs/backing_ops.c b/arch/powerpc/platforms/cell/spufs/backing_ops.c
index d32db9ffc6e..07a0e815abf 100644
--- a/arch/powerpc/platforms/cell/spufs/backing_ops.c
+++ b/arch/powerpc/platforms/cell/spufs/backing_ops.c
@@ -320,6 +320,12 @@ static int spu_backing_set_mfc_query(struct spu_context * ctx, u32 mask,
/* FIXME: what are the side-effects of this? */
prob->dma_querymask_RW = mask;
prob->dma_querytype_RW = mode;
+ /* In the current implementation, the SPU context is always
+ * acquired in runnable state when new bits are added to the
+ * mask (tagwait), so it's sufficient just to mask
+ * dma_tagstatus_R with the 'mask' parameter here.
+ */
+ ctx->csa.prob.dma_tagstatus_R &= mask;
out:
spin_unlock(&ctx->csa.register_lock);